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《Computer Engineering and Design》 2008-24
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Robustness of open-closed loop PID-type iterative learning control algorithm for nonlinear systems

LI Xing-yi1,XU Yuan2,WANG YI1(1.Advanced Control Systems Lab,Beijing Jiaotong University,Beijing 100044,China;2.School of Computer Science and Telecommunication Engineering,Jiangsu University,Zhenjiang 212013,China)  
An open-closed loop PID-type iterative learning control scheme for a class of nonlinear time-varying system is proposed.To analyze robustness of open-closed loop PID-type iterative learning control algorithm for a class of nonlinear system,when the system satisfy the convergence condition of system,and there exists disturbance in the dynamic process.It is shown that the tracking errors of the control system are uniformly bounded in the presence of bounded state uncertainty,output disturbance and initialization error.The system can track desired trajectory completely if all the uncertainties are gradually repeated.
【Fund】: 国家自然科学基金项目(60474083)
【CateGory Index】: TP273.22
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